Valve Seat and Recess Lathe / VRL

The VRL is a multi-purpose tool for in-situ machining of valve seats and seat recesses on 4-stroke medium speed engines.
VRL makes it possible to restore seat surface and angle of worn seats to original specifications, as well as modify size of cylinder head recess for fitting of oversized seats.

The portable lathe is electrically driven and easy to operate. Thanks to its robust design and incorporated features, high quality result is achieved quickly, even under the most demanding operating conditions.

Features of the Chris-Marine VRL:

Valve seats from 55 to 230 mm diameter

Recesses from 74 to 200 mm diameter

Pre-set machining angles according to customer’s requirement

Adjustable for different machining diameters.

Pre-sets for multiple engine types possible

Self-centering pilot spindle

Adjustable depth of cut

Electrically driven

Automatic feed mechanism

Stepless adjustable rotation speed

Optional: Diameter measuring tool

The VRL is available for several engine maker such as: Bergen, MAN B&W, Wärtsilä, Sulzer, Caterpillar, etc.